Sofa



FIG. 1 is a front perspective view of a sofa showing my new design, thesofa is shown herein and throughout in the color of black and variousshades of gray, said colors are for illustrative purposes only and formno part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a perspective view thereof showing the sofa in an alternateconfiguration;

FIG. 4 is a side perspective view thereof;

FIG. 5 is another front perspective view of the sofa of FIG. 1;

FIG. 6 is a front perspective view thereof with the sofa in an alternateconfiguration; and,

FIG. 7 a top plan view of the sofa of FIG. 3.

I claim, the ornamental design for a sofa, as shown and described.